Base | Representation |
---|---|
bin | 11001000011001… |
… | …01011110000000 |
3 | 112122101202021211 |
4 | 30201211132000 |
5 | 412243141231 |
6 | 32503455504 |
7 | 5131040200 |
oct | 1441453600 |
9 | 478352254 |
10 | 210130816 |
11 | a8682435 |
12 | 5a457594 |
13 | 346c357c |
14 | 1dc9c400 |
15 | 136aaeb1 |
hex | c865780 |
210130816 has 48 divisors (see below), whose sum is σ = 486980640. Its totient is φ = 90053376.
The previous prime is 210130813. The next prime is 210130903. The reversal of 210130816 is 618031012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210130813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10480 + ... + 23023.
It is an arithmetic number, because the mean of its divisors is an integer number (10145430).
Almost surely, 2210130816 is an apocalyptic number.
It is an amenable number.
210130816 is an abundant number, since it is smaller than the sum of its proper divisors (276849824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210130816 is an equidigital number, since it uses as much as digits as its factorization.
210130816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33531 (or 33512 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 210130816 is about 14495.8896243038. The cubic root of 210130816 is about 594.5155918944.
Adding to 210130816 its reverse (618031012), we get a palindrome (828161828).
The spelling of 210130816 in words is "two hundred ten million, one hundred thirty thousand, eight hundred sixteen".
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